"""Module for formatting configuration settings"""

import logging
from typing import Dict, Any, List
from datetime import datetime
import discord # type: ignore

from ..config.exceptions import ConfigurationError as ConfigError

logger = logging.getLogger("SettingsFormatter")

class SettingsFormatter:
    """Formats configuration settings for display"""

    def __init__(self):
        self.embed_color = discord.Color.blue()

    async def format_settings_embed(
        self,
        guild: discord.Guild,
        settings: Dict[str, Any]
    ) -> discord.Embed:
        """Format guild settings into a Discord embed
        
        Args:
            guild: Discord guild
            settings: Guild settings dictionary
            
        Returns:
            discord.Embed: Formatted settings embed
            
        Raises:
            ConfigError: If formatting fails
        """
        try:
            embed = discord.Embed(
                title="Video Archiver Settings",
                color=self.embed_color,
                timestamp=datetime.utcnow()
            )

            # Add sections
            await self._add_core_settings(embed, guild, settings)
            await self._add_channel_settings(embed, guild, settings)
            await self._add_permission_settings(embed, guild, settings)
            await self._add_video_settings(embed, settings)
            await self._add_operation_settings(embed, settings)
            await self._add_site_settings(embed, settings)

            embed.set_footer(text="Last updated")
            return embed

        except Exception as e:
            logger.error(f"Failed to format settings embed: {e}")
            raise ConfigError(f"Failed to format settings: {str(e)}")

    async def _add_core_settings(
        self,
        embed: discord.Embed,
        guild: discord.Guild,
        settings: Dict[str, Any]
    ) -> None:
        """Add core settings to embed"""
        embed.add_field(
            name="Core Settings",
            value="\n".join([
                f"**Enabled:** {settings['enabled']}",
                f"**Database Enabled:** {settings['use_database']}",
                f"**Update Check Disabled:** {settings['disable_update_check']}"
            ]),
            inline=False
        )

    async def _add_channel_settings(
        self,
        embed: discord.Embed,
        guild: discord.Guild,
        settings: Dict[str, Any]
    ) -> None:
        """Add channel settings to embed"""
        # Get channels with error handling
        channels = await self._get_channel_mentions(guild, settings)
        
        embed.add_field(
            name="Channel Settings",
            value="\n".join([
                f"**Archive Channel:** {channels['archive']}",
                f"**Notification Channel:** {channels['notification']}",
                f"**Log Channel:** {channels['log']}",
                f"**Monitored Channels:**\n{channels['monitored']}"
            ]),
            inline=False
        )

    async def _add_permission_settings(
        self,
        embed: discord.Embed,
        guild: discord.Guild,
        settings: Dict[str, Any]
    ) -> None:
        """Add permission settings to embed"""
        allowed_roles = await self._get_role_names(guild, settings["allowed_roles"])
        
        embed.add_field(
            name="Permission Settings",
            value=f"**Allowed Roles:**\n{allowed_roles}",
            inline=False
        )

    async def _add_video_settings(
        self,
        embed: discord.Embed,
        settings: Dict[str, Any]
    ) -> None:
        """Add video settings to embed"""
        embed.add_field(
            name="Video Settings",
            value="\n".join([
                f"**Format:** {settings['video_format']}",
                f"**Max Quality:** {settings['video_quality']}p",
                f"**Max File Size:** {settings['max_file_size']}MB"
            ]),
            inline=False
        )

    async def _add_operation_settings(
        self,
        embed: discord.Embed,
        settings: Dict[str, Any]
    ) -> None:
        """Add operation settings to embed"""
        embed.add_field(
            name="Operation Settings",
            value="\n".join([
                f"**Delete After Repost:** {settings['delete_after_repost']}",
                f"**Message Duration:** {settings['message_duration']} hours",
                f"**Concurrent Downloads:** {settings['concurrent_downloads']}",
                f"**Max Retries:** {settings['max_retries']}",
                f"**Retry Delay:** {settings['retry_delay']}s"
            ]),
            inline=False
        )

    async def _add_site_settings(
        self,
        embed: discord.Embed,
        settings: Dict[str, Any]
    ) -> None:
        """Add site settings to embed"""
        enabled_sites = settings["enabled_sites"]
        sites_text = ", ".join(enabled_sites) if enabled_sites else "All sites"
        
        embed.add_field(
            name="Enabled Sites",
            value=sites_text,
            inline=False
        )

    async def _get_channel_mentions(
        self,
        guild: discord.Guild,
        settings: Dict[str, Any]
    ) -> Dict[str, str]:
        """Get channel mentions with error handling"""
        try:
            # Get channel objects
            archive_channel = guild.get_channel(settings["archive_channel"])
            notification_channel = guild.get_channel(settings["notification_channel"])
            log_channel = guild.get_channel(settings["log_channel"])
            
            # Get monitored channels
            monitored_channels = []
            for channel_id in settings["monitored_channels"]:
                channel = guild.get_channel(channel_id)
                if channel and isinstance(channel, discord.TextChannel):
                    monitored_channels.append(channel.mention)

            return {
                "archive": archive_channel.mention if archive_channel else "Not set",
                "notification": notification_channel.mention if notification_channel else "Same as archive",
                "log": log_channel.mention if log_channel else "Not set",
                "monitored": "\n".join(monitored_channels) if monitored_channels else "All channels"
            }

        except Exception as e:
            logger.error(f"Error getting channel mentions: {e}")
            return {
                "archive": "Error",
                "notification": "Error",
                "log": "Error",
                "monitored": "Error getting channels"
            }

    async def _get_role_names(
        self,
        guild: discord.Guild,
        role_ids: List[int]
    ) -> str:
        """Get role names with error handling"""
        try:
            role_names = []
            for role_id in role_ids:
                role = guild.get_role(role_id)
                if role:
                    role_names.append(role.name)
            
            return ", ".join(role_names) if role_names else "All roles (no restrictions)"

        except Exception as e:
            logger.error(f"Error getting role names: {e}")
            return "Error getting roles"